@misc{dogan_fracture_toughness_1997, 
author={Dogan, B., Schwalbe, K.-H.},
title={Fracture toughness testing of TiAl base intermetallic alloys},
year={1997},
howpublished = {GKSS report},
note = {Dogan, B.; Schwalbe, K.: Fracture toughness testing of TiAl base intermetallic alloys. Engineering Fracture Mechanics. 1997. vol. 56, no. 2, 155-165.}}